Finding the Fourth Proportional to 450,809.24, 676,279.80 and 135,291.08
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Solution
The fourth proportional to 450,809.24, 676,279.80 and 135,291.08 is: 202,956.41
Step by Step Solution
- Step 1: Write the proportion equation
450,809.24 : 676,279.80 = 135,291.08 : x - Step 2: Convert to fraction form
450,809.24/676,279.80 = 135,291.08/x - Step 3: Cross multiply
450,809.24x = 676,279.80 × 135,291.08 - Step 4: Simplify right side
450,809.24x = 91,494,624,524.18 - Step 5: Solve for x
x = 91,494,624,524.18/450,809.24 - Step 6: Final answer
x = 202,956.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.